00617nas a2200217   4500000000100000008004100001100001400042700001600056700001700072700001400089700001600103700001600119700001300135700001200148700001500160700001700175245017800192300000800370490000700378022001400385       2012                            d1 aA. Dregan1 aT. Van Staa1 aL. McDermott1 aG. McCann1 aM. Ashworth1 aJ. Charlton1 aC. Wolfe1 aA. Rudd1 aL. Yardley1 aM. Gulliford00aCluster randomized trial in the general practice research database: 2. Secondary prevention after first stroke (eCRT study): study protocol for a randomized controlled trial  a1810 v13  a1745-6215